Tooth brush timer



FIG. 1 is a perspective view of a tooth brush timer showing my new design;

FIG. 2 is a front elevational view, the rear elevational view, the left side elevational view and the right side elevational view being a mirror image view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a "tooth brush timer", as shown and described. 